OXTS RT1003, Руководство пользователя

Страница: 86 / 110

Oxford Technical Solutions
86
Table heading definitions
The fields in the tables have the following meanings.
Bit . Indicates the start bit of the signal.
Len . This is the length of the signal in bits.
Type . Specifies either an unsigned value (U) or a signed value (S).
Unit . This is the unit for the signal.
× This is the factor by which the value should be multiplied by to convert the signal into the
units given in the table.
+ This is the value of the signal when the integer value in the CAN message is zero. It is zero
for all the RT1003 signals and can usually be discarded.
Name. This is a short name by which the signal is identified in the CAN DBC and in
NAVconfig.
Signals
The following tables describe the signals in each of the messages.
Table 21. Identifier 600h (1536), DateTime
a
a. Time is always reported as GPS time (currently 16 seconds different from UTC).
Bit Len Type Unit × + Description Name
0 8 U Year 1 0 Year within century (e.g. '16' during year 2016) TimeYear
8 8 U Year 100 0 Century (e.g. '20' during 2016) TimeCentury
16 8 U Month 1 0 Month TimeMonth
24 8 U Day 1 0 Day TimeDay
32 8 U s 0.01 0 Hundredths of current second TimeHSecond
40 8 U s 1 0 Seconds TimeSecond
48 8 U Min 1 0 Minutes TimeMinute
56 8 U Hour 1 0 Hours TimeHour